Gurobi 5.0.1 (linux64) logging started Fri Nov 16 17:40:59 2012 Optimize a model with 3783 rows, 7482 columns and 18402 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.12s Presolved: 3867 rows, 7480 columns, 25710 nonzeros Variable types: 0 continuous, 7480 integer (7480 binary) Found heuristic solution: objective 86.0000000 Found heuristic solution: objective 2.0000000 Root relaxation: cutoff, 0 iterations, 0.00 seconds Explored 0 nodes (0 simplex iterations) in 0.13 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 2.000000000000e+00, best bound 2.000000000000e+00, gap 0.0%